Early American humans hunted car-size armadillos and used their shells for houses.
12
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Camels and llamas can cross breed. The offspring is called a ‘Cama’.
10
The head of a jellyfish is called the "Bell."
6
There's a lizard known as the 'Jesus Lizard' that can run across water.
11
Only 3% of bird species have penises.
0
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79
The seahorse is the only fish to have a neck.
12